[ROCm][AMD] unify CUDA_VISIBLE_DEVICES usage in cuda/rocm (#6352)

vllm/config.py

@@ -6,7 +6,6 @@ from typing import TYPE_CHECKING, ClassVar, List, Optional, Tuple, Union
 import torch
 from transformers import PretrainedConfig
 
-import vllm.envs as envs
 from vllm.logger import init_logger
 from vllm.model_executor.layers.quantization import QUANTIZATION_METHODS
 from vllm.model_executor.models import ModelRegistry
@@ -14,7 +13,7 @@ from vllm.tracing import is_otel_installed
 from vllm.transformers_utils.config import get_config, get_hf_text_config
 from vllm.utils import (cuda_device_count_stateless, get_cpu_memory, is_cpu,
                         is_hip, is_neuron, is_openvino, is_tpu, is_xpu,
-                        print_warning_once, update_environment_variables)
+                        print_warning_once)
 
 if TYPE_CHECKING:
     from ray.util.placement_group import PlacementGroup
@@ -695,12 +694,6 @@ class ParallelConfig:
             self.distributed_executor_backend = backend
             logger.info("Defaulting to use %s for distributed inference",
                         backend)
-        # If CUDA_VISIBLE_DEVICES is set on ROCm prior to vLLM init,
-        # propagate changes to HIP_VISIBLE_DEVICES (conversion handled by
-        # the update_environment_variables function)
-        if is_hip() and envs.CUDA_VISIBLE_DEVICES:
-            update_environment_variables(
-                {"CUDA_VISIBLE_DEVICES": envs.CUDA_VISIBLE_DEVICES})
 
         self._verify_args()
         self.rank = 0